Cognizant — offer letter - response

Address: Chennai, Tamil Nadu

I attended an interview at cts thoraipakkam on december 1st 2018 under rpa domain [uipath] and cleared technical round after that they provided hr form and filled too. At the end hr round finalize the package and role, afer he informed me that i will receive my offer letter in 1-2 week but i haven't received yet. Sent weekly follow up mail to appropriate hr but no reply. I haven't get proper response at least they have to inform what is my exact status.